So, I have several versions of the figure and a bunch of the accessories(sadly mostly in storage), but I haven't paid close enough attention to what sets work with which versions. Can anyone give me the low down? The main mold variants (add any if i left them off) ROTF Prime Buster Prime Striker Prime Add-ons: UFO Jetwing add-on UFO Buster gun add-on FWI Jetfire Add-on Cubex gun and chrome stacks FWI-4 Wasn't there another set of chrome stacks? Also, interactivity with the UFO trailer I figure the hands/swords/hooks/shields are universally compatible So, to reiterate - which molds are compatible with which add-ons and which add-ons are incompatible with one another? Thanks!